ZyXEL p-660hwp Guia Do Utilizador

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Chapter 23 Troubleshooting
P-660HWP-Dx User’s Guide
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Check the hardware connections, and make sure the LEDs are behaving as expected. See 
the Quick Start Guide and 
If your ISP gave you Internet connection information, make sure you entered it correctly 
in the Network > WAN > Internet Connection screen. These fields are case-sensitive, 
so make sure [Caps Lock] is not on.
If you are trying to access the Internet wirelessly, make sure the wireless settings in the 
wireless client are the same as the settings in the AP. 
Disconnect all the cables from your device, and follow the directions in the Quick Start 
Guide again. 
If the problem continues, contact your ISP. 
V
I cannot make Voice over Internet (VoIP) calls through the P-660HWP-Dx.
Check your connections. Ensure that the LEDs are behaving as expected (see 
).
Ensure that your VoIP account is correctly configured.
If you are using Network Address Translation (NAT), make sure that Enable SIP ALG 
is activated in the NAT > General screen. See 
Ensure STUN is turned off on your VoIP device.
If you are using a new VoIP account, contact your Internet Telephony Service Provider 
(ITSP) to ensure that it is activated.
V
I cannot access the Internet anymore. I had access to the Internet (with the P-
660HWP-Dx), but my Internet connection is not available anymore.
Check the hardware connections, and make sure the LEDs are behaving as expected. See 
the Quick Start Guide and 
Reboot the P-660HWP-Dx.
Turn the P-660HWP-Dx off and on. 
If the problem continues, contact your ISP. 
V
The Internet connection is slow or intermittent.
There might be a lot of traffic on the network. Look at the LEDs, and check 
. If the P-660HWP-Dx is sending or receiving a lot of information, try closing 
some programs that use the Internet, especially peer-to-peer applications.
Reboot the P-660HWP-Dx. 
Turn the P-660HWP-Dx off and on. 
If the problem continues, contact the network administrator or vendor, or try one of the 
advanced suggestions.